EP3636102B1 - Cosmetic container - Google Patents

Cosmetic container Download PDF

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Publication number
EP3636102B1
EP3636102B1 EP18844373.3A EP18844373A EP3636102B1 EP 3636102 B1 EP3636102 B1 EP 3636102B1 EP 18844373 A EP18844373 A EP 18844373A EP 3636102 B1 EP3636102 B1 EP 3636102B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
cosmetic container
disc valve
stem
storage space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18844373.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3636102A4 (en
EP3636102A1 (en
Inventor
Dong Hyun Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
LG H&H Co Ltd
Original Assignee
LG Household and Health Care Ltd
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Household and Health Care Ltd, LG Electronics Inc filed Critical LG Household and Health Care Ltd
Priority to EP21198073.5A priority Critical patent/EP3964100B1/en
Publication of EP3636102A1 publication Critical patent/EP3636102A1/en
Publication of EP3636102A4 publication Critical patent/EP3636102A4/en
Application granted granted Critical
Publication of EP3636102B1 publication Critical patent/EP3636102B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
    • A45D33/02—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances with dispensing means, e.g. sprinkling means
    • A45D33/06—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances with dispensing means, e.g. sprinkling means with diaphragm bases
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
    • A45D33/006—Vanity boxes or cases, compacts, i.e. containing a powder receptacle and a puff or applicator
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
    • A45D33/006—Vanity boxes or cases, compacts, i.e. containing a powder receptacle and a puff or applicator
    • A45D33/008—Vanity boxes or cases, compacts, i.e. containing a powder receptacle and a puff or applicator comprising a mirror
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
    • A45D33/02—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances with dispensing means, e.g. sprinkling means
    • A45D33/025—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances with dispensing means, e.g. sprinkling means for compacts, vanity boxes or cases
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/22—Casings characterised by a hinged cover
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/029—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container located on top of the remaining content
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
    • B65D43/164—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately and connected by interfitting hinge elements integrally with the container and the lid formed respectively
    • B65D43/165—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately and connected by interfitting hinge elements integrally with the container and the lid formed respectively these elements being assembled by a separate pin-like member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/22—Devices for holding in closed position, e.g. clips
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D2034/002—Accessories
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D2040/0006—Accessories
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/056—Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/10—Details of applicators
    • A45D2200/1009—Applicators comprising a pad, tissue, sponge, or the like
    • A45D2200/1036—Applicators comprising a pad, tissue, sponge, or the like containing a cosmetic substance, e.g. impregnated with liquid or containing a soluble solid substance

Definitions

  • the present invention relates to a cosmetic container.
  • a lifting member in order to discharge a cosmetic solution, a lifting member should be pressed downward by a predetermined length, and the length to be pressed may be defined as a stroke.
  • a piston is moved down together, and a flange of the piston is moved down with the same stroke.
  • a check valve and a support structure for accommodating the check valve are provided directly below the flange. And the check valve and check valve support structure should not be interfered at least when the flange of the piston is fully moved down.
  • a thickness of the cosmetic container should be secured to some extent, and there is a disadvantage that the check valve and the check valve support structure positioned directly below the flange of the piston become an obstacle that prevents the thickness of the cosmetic container from being further reduced.
  • WO 2016/208928 A1 discloses a refillable compact container for cosmetics.
  • the present invention has been proposed in order to improve the problems of the related art as described above.
  • a cosmetic container including: a base member; a housing including a support sleeve placed on an upper surface of the base member, a center sleeve placed on the upper surface of the base member at an inner center of the support sleeve, a partition plate connecting an upper end of the support sleeve and an upper end of the center sleeve, a main storage space formed between the support sleeve and the center sleeve, and a temporary storage space formed inside the center sleeve; a frame coupled to an upper end of the housing and having a hole of a predetermined size formed therein; a stem coupled to the frame so as to be movable in a vertical direction while being accommodated in the hole and having a discharge port for discharging a cosmetic solution formed in a center thereof; a piston assembly mounted on a bottom
  • a disc valve structure that allows a cosmetic solution to selectively flow into a temporary storage space from a main storage space of the cosmetic solution is disposed outside a moving up and down region of a piston assembly.
  • a discharge path resistance of the cosmetic solution is remarkably reduced by forming a through-hole in a flange of a piston body, and thus there is an advantage that discharge of the cosmetic solution is maintained uniformly.
  • a contact area between a flap portion of the disc valve and a bottom of an inner base is increased, and thus there is an advantage that an opening/closing function of the cosmetic solution, that is, a closing function of the valve is improved. Furthermore, the entire area of the flap portion increases, so that an area in which pressure which pushes up cosmetics acts increases, and thus there is an advantage that the cosmetic solution is discharged smoothly.
  • FIG. 1 is a perspective view in a state in which a cover of a cosmetic container according to an embodiment of the present invention is closed
  • FIG. 2 is a perspective view in a state in which the cover of the cosmetic container is opened
  • FIG. 3 is an exploded perspective view of the cosmetic container
  • FIG, 4 is a longitudinal sectional view taken along line 4-4 of FIG. 1 .
  • the cosmetic container 10 may include an outer substrate 11, an inner base 14, a hinge shaft 12, a push button 13, a disc valve 15, an inner cover 16, a piston assembly 29 including a piston guide 18 and a piston body 17, a housing 19, an elastic member 20, a stem 21, a gasket 22, a palette 23, a palette ring 24, a frame 25, a mirror 26, an outer cover 27, and a pressing member 28.
  • outer substrate 11 and the inner substrate 14 may be defined as a base member.
  • the hinge shaft 12 rotatably connects the outer cover 27 to one side surface of the outer base 11. That is, the hinge shaft 12 becomes a center of rotation of the outer cover 27.
  • the housing 19 is formed in a substantially n-shape, and a lower end portion thereof is placed on an edge of an upper surface of the inner base 14 to form a main storage space S1 in which cosmetics are stored. Further, a side surface of the housing 19 is engaged with a side surface of the inner base 14 to prevent the cosmetics stored in the main storage space S1 from leaking outside, and allows the main storage space S1 to be maintained at atmospheric pressure or a pressure lower than atmospheric pressure.
  • the inner cover 16 is disposed in the main storage space S1 and covers an upper surface of a cosmetic solution injected into the main storage space S1. Furthermore, as the cosmetic solution injected into the main storage space S1 is consumed and a level thereof is lowered, the inner cover 16 is moved down together.
  • the housing 19 may include a support sleeve 192, a center sleeve 193, and a partition plate 191 connecting upper end portions of the support sleeve 192 and the center sleeve 193, which will be described in detail in FIG. 15 .
  • the elastic member 20 is placed on an upper surface of the center sleeve 193, and the disc valve 15 is mounted on a lower end thereof.
  • the piston assembly 29 is disposed inside the center sleeve 193 so as to be movable up and down.
  • a space in which the piston guide 18 constituting the piston assembly 29 is accommodated may be defined as a temporary storage space S2.
  • the disc valve 15 is operated by moving up and down the piston assembly 29, so that the cosmetic solution stored in the main storage space S1 selectively flows into the temporary storage space S2. Further, the cosmetic solution that has flowed into the temporary storage space S2 is discharged to an upper surface of the stem 21 by passing through the piston assembly 29 in a state in which the piston assembly 29 is moved down.
  • piston body 17 constituting the piston assembly 29 is fixedly mounted on a bottom surface of the stem 21 and moves up and down integrally with the stem 21.
  • the gasket 22 and the palette 23 are coupled to the upper surface of the stem 21, and the palette ring 24 is coupled to the upper surface of the stem 21. Furthermore, an edge of the stem 21 is coupled to an inner circumferential surface of the frame 25 so as to be movable up and down. Therefore, when a user presses a center portion of the palette 23 with a puff, the palette ring 24, the palette 23, the stem 21, and the piston assembly 29 are integrally moved up and down.
  • a protrusion and groove structure for restricting an elevating length of the stem 21 may be formed on the stem 21 and the frame 25.
  • the mirror 26 may be mounted on a bottom surface of the outer cover 27.
  • FIG. 5 is a perspective view of a bottom surface of an outer cover constituting a cosmetic container according to an embodiment of the present invention.
  • the outer cover 27 constituting the cosmetic container 10 includes a plate-shaped upper surface portion 271, a side surface portion 272 extending downward from an edge of the upper surface portion 271, and the side surface portion 272, and a hinge fastening portion 273 further extending from a lower end of the side surface portion 272.
  • the mirror 26 may be mounted on a bottom surface of the upper surface portion 271.
  • a locking protrusion 276 may protrude from the side surface portion 272, which is opposite to the hinge fastening portion 273.
  • the hinge fastening portion 273 is formed with a pressure member placing portion 275 for placing the pressure member 28 to be recessed therein, and a hinge hole 274 in which the hinge shaft 12 is inserted is formed at a lower end of the hinge fastening portion 273.
  • the pressure member 28 may be made of rubber or a silicone material having a predetermined elastic force.
  • the pressure member 28 may protrude from the side surface portion 272 toward the center of the outer cover 27 to be squeezed to a pressure member adhering portion 255 of the frame 25 (see FIG. 7 ).
  • FIG. 6 is a front perspective view of a frame constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 7 is a rear perspective view of the frame
  • FIG. 8 is a bottom perspective view of the frame.
  • the frame 25 of the cosmetic container 10 is formed in a circular band shape in which a palette accommodating hole 256 is formed inside thereof.
  • the frame 25 may be formed in other shapes that are not a circular shape depending on the overall shape of the cosmetic container 10.
  • the frame 25 may include an upper frame 251 rounded concavely from the inside toward the outside, and a lower frame 252 extending downward from a bottom surface of the upper frame 251.
  • the lower frame 252 extends at a position spaced apart a predetermined distance inward from an outer end of the upper frame 251.
  • An inner side surface of the lower frame 252 is spaced apart a predetermined distance outward from that of the upper frame 251, and an outer side surface of the lower frame 252 is spaced apart a predetermined distance inward from that of the upper frame 251. That is, the lower frame 252 extends at some position between the inner side surface and the outer side surface of the upper frame 251.
  • a hinge fastening portion accommodating groove 254 is formed to be recessed in an outer edge of the upper frame 251, and a pressure member adhering portion 255 is further formed to be recessed from the hinge fastening portion accommodating groove 254. In addition, an end portion of the pressure member 28 described above is squeezed to the pressure member adhering portion 255.
  • a push button accommodating groove 253 is formed to be recessed at the outer edge of the upper frame 251, which is opposite to the hinge fastening portion accommodating groove 254.
  • the push button 13 is accommodated in the push button accommodating groove 253, and thus it is possible to prevent the push button 13 from interfering with the frame 25 during operation.
  • a plurality of fastening grooves 252a may be formed to be recessed on an outer circumferential surface of the lower frame 252.
  • a fastening protrusion 113 protruding from the outer base 11 is fitted into the fastening groove 252a so that the frame 25 is fixed to the outer base 11.
  • a plurality of guide grooves 251a may be formed to be recessed on an inner circumferential surface 251b of the upper frame 251. Furthermore, a plurality of guide protrusions 214 (see FIG. 12 ) protruding from an outer circumferential surface of the stem 21 are accommodated in the plurality of guide grooves 251a. In addition, a height of the plurality of guide grooves 251a corresponds to a moving displacement of the stem 21.
  • the plurality of guide protrusions 214 are moved down until they are in contact with a lower end of the guide groove 251a, and when pressing force is released, the plurality of guide protrusions 214 are moved up until they are in contact with an upper end of the guide groove 251a by a restoring force of the elastic member 20.
  • a plurality of support protrusions 252b may be formed protruding from an inner circumferential surface of the lower frame 252 in a circumferential direction.
  • a frame locking rib 192a protruding from an outer circumferential surface of the housing 19 is placed on an upper surface of the plurality of support protrusions 252b. Therefore, the housing 19 is maintained in a state of being hung and fixed to the frame 25.
  • an end flange portion 251c that reaches the outer circumferential surface of the lower frame 252 from an outer end portion of the upper frame 251 is placed at an upper end portion of the outer base 11 to maintain the fixed state.
  • the frame 25 and the housing 19 are maintained in a fixed state, and are not moved down by the pressing force. That is, the frame 25 is maintained in a state of being placed at an upper end of the outer base 11, and the housing 19 fixedly coupled to the frame 25 is also integrally fixed to the frame 25.
  • FIG. 9 is a plan perspective view of a palette ring constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 10 is a bottom perspective view of the palette ring.
  • the palette ring 24 constituting the cosmetic container 10 is fitted into the palette accommodating hole 256 formed on an inner side of the frame 25, and is provided inside the frame 25 so as to be movable up and down.
  • a palette accommodating hole 243 for accommodating the palette 23 is formed inside the palette ring 24.
  • the palette ring 24 includes an inclined portion 241 inclined upward from an edge of the palette accommodating hole 243 toward an outer side thereof, and an extending portion 242 bent and extending at an end portion of the inclined portion 241.
  • the inclined portion 241 may be inclined in a straight line or inclined slightly rounded concavely.
  • the extending portion 242 may be smoothly bent at an outer end portion of the inclined portion 241, and may be bent at an angle between a vertical surface and a horizontal surface.
  • a plurality of stem fastening protrusions 244 may protrude from a bottom surface of the inclined portion 241.
  • the plurality of stem fastening protrusions 244 are fitted into fastening holes 212a (see FIG. 12 ) formed in the stem 21, so that the palette ring 24 and the stem 21 are integrally coupled. Therefore, the palette ring 24 and the stem 21 are integrally moved up and down by pressure of pressing the palette 23.
  • FIG. 11 is a perspective view of a palette constituting a cosmetic container according to an embodiment of the present invention.
  • a palette 23 constituting the cosmetic container 10 according to an embodiment of the present invention has a circular plate shape.
  • the palette 23 is fitted into the palette accommodating hole 243 formed inside the palette ring 24.
  • a plurality of outlets 232 may be formed on an inside thereof.
  • the plurality of outlets 232 are holes through which a liquid cosmetic transferred to the temporary storage space S2 is discharged to the outside, and the cosmetic discharged through the outlet 232 is permeated into the puff. As shown in the drawing, the plurality of outlets 232 may be disposed at a predetermined distance from the center of the palette 23 in the radial direction.
  • one or a plurality of protrusion accommodating holes 231 may be formed at an edge of the palette 23.
  • a fixing protrusion 215 (see FIG. 12 ) formed on the upper surface of the stem 21 is fitted into the protrusion accommodating hole 231. Therefore, the palette 23 is coupled to the stem 21 and moves up and down integrally with the stem 21.
  • FIG. 12 is a plan perspective view of a stem constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 13 is a bottom perspective view of the stem
  • FIG. 14 is a longitudinal sectional view taken along line 14-14 of FIG. 12 .
  • the stem 21 constituting the cosmetic container according to an embodiment of the present invention moves in a vertical direction while being connected to an inner peripheral surface of the frame 25 by pressing force pressing the palette 23.
  • the palette 23 is placed on the upper surface of the stem 21, and the fixing protrusion 215 is fitted into the protrusion accommodating hole 231 of the palette 23 as described above.
  • the stem fastening protrusion 244 protruding from a bottom surface of the palette ring 24 is fitted into the fastening hole 212a, so that the palette ring 24 is fixedly coupled to the upper surface of the stem 21. Therefore, the palette 23, the palette ring 24, and the stem 21 move up and down integrally.
  • the stem 21 may include a palette placing portion 211 on which the palette 23 is placed, an inclined portion 212 extending obliquely upward from an edge of the palette placing portion 211, and an extending portion 213 bent and extending from an end portion of the inclined portion 212.
  • the inclined portion 241 of the palette ring 24 may be placed on an upper surface of the inclined portion 212, and the extending portion 242 of the palette ring 24 may be placed on an upper surface of the extending portion 213.
  • a plurality of guide protrusions 214 may protrude from a side surface of the extending portion 213, and the plurality of guide protrusions 214 are fitted into the guide groove 251a formed on the inner circumferential surface of the frame 25. Further, the plurality of guide protrusions 214 are vertically moved inside the guide groove 251a.
  • the plurality of guide protrusions 214 may include a plurality of large guide protrusions disposed in the circumferential direction at a predetermined distance, and a plurality of small guide protrusions disposed between the large guide protrusions.
  • a plurality of fastening holes 212a are formed in the inclined portion 212, and the stem fastening protrusions 244 are fitted and coupled to the fastening holes 212a as described above.
  • an outlet 211b may be formed at the center of the palette placing portion 211 so that cosmetics in the temporary storage space S2 are discharged to the upper surface of the stem 21.
  • a plurality of guide flow paths 211c may be formed to extend in the radial direction around the outlet 211b. The plurality of guide flow paths 211c may be recessed from the upper surface of the stem 21 by a predetermined depth, and may be formed in a lattice shape.
  • the plurality of guide flow paths 211c may include a plurality of first guide flow paths in a form of a plurality of concentric circles having different diameters around the outlet 211b, and a plurality of second guide flow paths in a form of a straight line dividing the plurality of concentric circles passing through the outlets 211b.
  • the plurality of outlets 232 may be disposed along any one or both of the first guide flow path and the second guide flow path.
  • the plurality of outlets 232 are formed along the guide flow path 211c, and thus it is possible to minimize that a cosmetic solution discharged through the outlet 211b is dispersed to another place so that the discharge resistance may be minimized.
  • a gasket placing groove 211a for placing the gasket 22 may be formed to be recessed on an upper surface of the palette placing portion 211 corresponding to the outside of the guide flow path 211c.
  • the gasket 22 is provided in order to prevent a liquid cosmetic discharged through the outlet 211b and flowing along the guide flow path 211c from leaking to the outside of the stem 21.
  • the gasket 22 may be made of any one of silicone, rubber, sponge and nonwoven fabric.
  • the stem 21 may include a cylindrical shaped outer sleeve 216 extending by a predetermined length from a bottom surface of the palette placing portion, and an inner sleeve 217 extending to the same length as the outer sleeve 216 inside the outer sleeve 216.
  • the centers of the outer sleeve 216 and the inner sleeve 217 coincide with the center of the outlet 211b.
  • a locking hook 216a may be formed to protrude in the radial direction of the outer sleeve 216 at an end portion of the outer sleeve 216. A function of the locking hook 216a will be described in more detail below.
  • an upper sleeve accommodating groove 219 is formed inside the inner sleeve 217.
  • the upper sleeve accommodating groove 219 is fitted with an upper sleeve 181a (see FIG. 20 ) of the piston guide 18 constituting the piston assembly 29.
  • a piston body fastening groove 218 is formed on an upper surface of the upper sleeve accommodating groove 219.
  • the piston body fastening groove 218 is formed to be further recessed upward from the upper surface of the upper sleeve accommodating groove 219, and an upper end portion of the piston body 17 is fitted into the piston body fastening groove 218.
  • the upper surface of the piston body fastening groove 218 communicates with the outlet 211b.
  • FIG. 15 is a plan perspective view of a housing constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 16 is a bottom perspective view of the housing
  • FIG. 17 is a longitudinal sectional view taken along line 17-17 of FIG. 15 .
  • the housing 19 constituting the cosmetic container 10 according to an embodiment of the present invention is coupled to the inner base 14 to form the main storage space S1 therein.
  • the housing 19 may include a cylindrical-shaped center sleeve 193, a cylindrical-shaped support sleeve 192 having a diameter larger than that of the center sleeve 193, and a partition plate 191 connecting an upper end portion of the center sleeve and an upper end portion of the support sleeve 192.
  • the partition plate 191 may be made of a metal member such as stainless steel, and the center sleeve 193 and the support sleeve 192 may be made of a plastic material such as polypropylene. Further, the center sleeve 193 and the support sleeve 192 may be integrally molded by insert injection on the inside and the outside of the partition plate 191.
  • a coupled body of the stem 21 and the palette ring 24 is placed on an upper surface of the partition plate 191. Further, as shown in FIG. 29 , an upper surface of an edge portion of the partition plate 191 is in close contact with a bottom surface of the frame 25. That is, the frame 25 is placed on an upper surface of the housing 19, and the inner circumferential surface of the lower frame 252 is coupled to be in close contact with an outer circumferential surface of the support sleeve 192.
  • an elastic member placing groove 193a is formed to be recessed downward on the upper surface of the center sleeve 193, and a disc valve coupling portion 194 is formed to be recessed upward on a bottom surface of the center sleeve 193.
  • the elastic member placing groove 193a and the disc valve coupling portion 194 are formed to be recessed to a depth that does not communicate with each other. That is, a lower end portion of the elastic member placing groove 193a and an upper end portion of the disc valve coupling portion 194 may be defined as an upper surface and a lower surface of a partition wall 193e.
  • the elastic member placing groove 193a and the disc valve coupling portion 194 are formed to be recessed in the center sleeve 193 in opposite directions to each other, so that the center sleeve 193 is again divided into an inner first sleeve 193b inside thereof and a second sleeve 193c outside thereof. Further, the first sleeve 193b and the second sleeve 193c may be configured to be connected to each other by the partition wall 193e.
  • a lower end portion of the second sleeve 193c is formed to be shorter than a lower end portion of the first sleeve 193b, as shown in FIG. 26 , because a depression portion 144 (see FIG. 25 ) is formed in a central portion of the inner base 14. That is, the first sleeve 193b is in contact with the depression portion 144, and the second sleeve 193c is in contact with a bottom portion of the inner base 14 corresponding to an outer side of the depression portion 144.
  • the coil-shaped elastic member 20 is placed in the elastic member placing groove 193a. Further, an upper end of the elastic member 20 more protrudes upward than the partition plate 191 so that the stem 21 is placed at the upper end of the elastic member 20.
  • the elastic member 20 is compressed until the bottom surface of the stem 21 is close contact with the upper surface of the partition plate 191.
  • a pumping space in an atmospheric pressure state is formed between the stem 21 and the partition plate 191, and one or a plurality of air holes 191 are formed in the partition plate 191.
  • the inner cover 16 is positioned directly below the partition plate 191.
  • the inner cover 16 As a level of a cosmetic solution stored in the main storage space S1 is higher, the inner cover 16 is positioned closer to the partition plate 191, and as the level of the cosmetic solution is lowered, the inner cover 16 moves down to approach the inner base 14.
  • the main storage space S1 is divided into a first space between an upper surface of the inner cover 16 and the partition plate 191 and a second space between the inner cover 16 and the inner base 14 by the inner cover 16. Furthermore, the second space is maintained at a pressure lower than the atmospheric pressure, and is filled with the cosmetic solution.
  • the first space communicates with the pumping space through the air hole 191a. That is, the first space is always maintained in an atmospheric pressure state by the air hole 191a. Therefore, when the level of the cosmetic solution is lowered, the inner cover 16 moves down by not only load of the inner cover 16 but also pressure difference between the first space and the second space as the level of the cosmetic solution is lowered.
  • a frame locking rib 192a protrudes at an upper side of the outer circumferential surface of the support sleeve 192, and is wrapped in a band shape.
  • an inner base locking rib 192b protrudes at the outer circumferential surface of the support sleeve 192 which is spaced downward from the frame locking rib 192a, and is wrapped in a band shape.
  • the frame locking rib 192a is placed on the upper surface of the support protrusion 252b protruding from the inner circumferential surface of the lower frame 252, and is locked to the support protrusion 252b so that the frame 25 and the housing 19 are coupled integrally.
  • the inner base locking rib 192b is inserted into a band-shaped locking groove 142a (see FIG. 25 ) formed on the inner circumferential surface of a side surface portion of the inner base 14 so that the inner base 14 and the housing 19 are coupled integrally.
  • a plurality of placing ribs 192c may be formed to protrude in parallel at positions facing each other on the outer circumferential surface of the support sleeve 192. Furthermore, the plurality of placing ribs 192c may be placed on a placing flange 142b (see FIG. 25 ) formed on the inner base 14.
  • a plurality of inlets 195 may be formed to be recessed in the lower end portions of the first sleeve 193b and the second sleeve 193c, and may be disposed to be spaced apart from each other in the circumferential direction of the center sleeve 193.
  • a first inlet 195a formed in the first sleeve 193b and a second inlet 195b formed in the second sleeve 193c are arranged in the center direction of the center sleeve 193, so that a flow resistance generated when the cosmetic solution flows into the temporary storage space S2 from the main storage space S1 may be minimized.
  • a protrusion portion 194a and a depression portion 194b may be alternately formed in the disc valve coupling portion 194, and the depression portion 194b may be aligned with the inlet 195.
  • a piston guide accommodating groove 193d is formed inside the first sleeve 193b (or inside the center sleeve).
  • a locking flange 196 protrudes toward the center of the first sleeve 193b at an upper end of the first sleeve 193b so that a rising height of the piston guide 18 accommodated in the piston guide accommodating groove 193d may be restricted (see FIG. 4 or FIG. 20 ).
  • a stem locking rib 197 further protrudes from an inner circumferential surface of the locking flange 196 toward the center of the first sleeve 193b so that the locking hook 216a protruding from the end portion of the outer sleeve 216 is locked to the stem locking rib 197. Then, as shown in FIG. 4 (or FIG. 20 ), when the locking hook 216a is locked to the stem locking rib 197, the stem 21 is not separated from the housing 19 by the restoring force of the elastic member 20.
  • one or a plurality of fitting grooves 193f may be formed to be recessed on an outer circumferential surface of the first sleeve 193b.
  • FIG. 18 is an exploded perspective view of a piston assembly constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 19 is a cross-sectional perspective view of the piston assembly taken along line 19-19 of FIG. 18 in a state in which a piston guide and a piston body constituting the piston assembly are separated
  • FIG. 20 is a longitudinal sectional view of the piston assembly taken along line 19-19 of FIG. 18 in a state in which the piston guide and the piston body are coupled.
  • the piston assembly 29 constituting the cosmetic container 10 may include the piston body 17 and the piston guide 18 fitted into an outer peripheral surface of the piston body 17.
  • the piston body 17 includes a vertical cylindrical-shaped piston sleeve 171 in which a flow path is formed, and a flange 172 bent and extending at a lower end portion of the piston sleeve 171.
  • the flange 172 may extend in the horizontal direction and be inclined or bent upward.
  • a lower sleeve contact surface 173 is formed at a corner in which the piston sleeve 171 and the flange 172 intersect.
  • an inlet 171a into which a cosmetic solution collected in the temporary storage space S2 flows is formed in a side surface of the piston sleeve 171.
  • An outlet 171b through which the cosmetic solution flowed into the inlet 171a is discharged is formed in an inner center of the piston sleeve 171. Further, the outlet 171b communicates with a discharge port 211b formed at the center of the stem 21.
  • a locking protrusion 171c is wrapped protruding in a band shape on an outer circumferential surface of an upper end portion of the piston sleeve 171, and the locking protrusion 171c is fitted into the piston body fastening groove 218 formed in the stem 21.
  • the piston guide 18 may include a guide sleeve 181 through which the piston sleeve 171 passes, a guide plate 182 extending from an outer circumferential surface of the guide sleeve 181 in a disc shape, and a lip portion 183 formed at an end portion of the guide plate 182.
  • the guide sleeve 181 may include an upper sleeve 181a extending upward from an upper surface of the guide plate 182 and a lower sleeve 181b extending downward from a lower surface of the guide plate 182.
  • the upper sleeve 181a moves up or down in the upper sleeve accommodating groove 219 formed in the inner sleeve 217 of the stem 21.
  • an adhering protrusion 181c protrudes from an outer circumferential surface of an upper end portion of the upper sleeve 181a, and may be wrapped around an outer circumferential surface of the upper sleeve 181a in a band shape. Further, the adhering protrusion 181c is maintained in contact with an inner circumferential surface of the upper sleeve accommodating groove 219 when the piston guide 18 moves up or down.
  • the lip portion 183 may include an upper lip 183a extending obliquely upward from the end portion of the guide plate 182, and a lower lip 183b extending obliquely downward from the end portion of the guide plate 182.
  • the guide plate 182 is accommodated in the piston guide accommodating groove 193d formed in the housing 19.
  • the lip portion 183 is maintained in close contact with an inner circumferential surface of the piston guide accommodating groove 193d.
  • the lip portion 183 By forming the lip portion 183, it is possible to prevent the cosmetic solution stored in the temporary storage space S2 from flowing into the upper sleeve accommodating groove 219.
  • the lip portion 183 is composed of the upper lip 183a and the lower lip 183b, so that leakage of the cosmetic solution may be prevented double. That is, leakage is primarily prevented at the lower lip 183b, and leakage is secondarily prevented at the upper lip 183a, thereby preventing the cosmetic solution from flowing into the upper sleeve accommodating groove 219.
  • a lower end portion of the lower sleeve 181b may be selectively in contact with or separated from the flange 172 in accordance with an operation of pressing the palette 23. That is, in a state in which the lower end portion of the lower sleeve 181b is in contact with the lower sleeve contact surface 173, the cosmetic solution collected in the temporary storage space S2 may not be discharged to the outside. Conversely, when the piston body 17 moves down and separates from the lower end portion of the lower sleeve 181b from the lower sleeve contact surface 173, the cosmetic solution collected in the temporary storage space S2 is discharged to the outside.
  • FIG. 21 is a perspective view of an inner cover constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 22 is a longitudinal sectional view taken along line 22-22 of FIG. 21 .
  • the inner cover 16 constituting the cosmetic container 10 is disposed inside the main storage space S1 defined by the housing 19 and the inner base 14.
  • the more cosmetic solution filled in the main storage space S1 the closer to a bottom of the housing 19, and as the cosmetic solution decreases, the inner cover 16 moves down and approaches the inner base 14.
  • an upper space of the inner base 14 communicates with the pumping space maintained in an atmospheric pressure state through the air hole 191a of the housing 19, thereby maintaining the atmospheric pressure state (see an arrow in FIG. 17 ), and a lower space of the inner base 14 is maintained in a pressure state lower than the atmospheric pressure.
  • a center sleeve through-hole 161 is formed in the center of the inner base 14, and the center sleeve 193 extending from the bottom surface of the housing 19 is inserted through the center sleeve through-hole 161.
  • an end portion of the inner base 14 may be formed with a lip portion 164 having the same shape and the same function as the lip portion 183 formed in the piston guide.
  • the lip portion 164 may include an upper lip 164a and a lower lip 164b. The lip portion 164 maintains an airtight state such that a lower space of the inner cover 16 is completely separated from an upper space thereof during moving down of the inner cover 16.
  • FIG. 23 is a perspective view of a disc valve constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 24 is a longitudinal sectional view of a disc valve taken along line 24-24 of FIG. 23 .
  • the disc valve 15 constituting the cosmetic container 10 may be made of a flexible plastic, silicone or rubber material which may be warped by a pressure difference.
  • the disc valve 15 may be formed in an annular band shape having a hollow portion therein.
  • An inner diameter of the disc valve 15 may be formed larger than an outer diameter of the piston assembly 29, specifically, the piston guide 18.
  • the disc valve 15 is placed outside a region in which the piston assembly 29 is moved down by pressing force of a user, so that a phenomenon of interference of the lower end portion of the piston assembly 29 and the disc valve 15 may be completely removed. As a result, it is possible to obtain an effect that a thickness of the cosmetic container 10 in the vertical direction may be further reduced.
  • a check valve which serves as a disc valve, is positioned directly below a moving up and down region of the piston assembly 29, and thus it was necessary to ensure a space in the vertical direction corresponding to a thickness of the check valve and a check valve supporting structure. Therefore, there was a limit in reducing the overall thickness of the cosmetic container.
  • the disc valve 15, which serves as the check valve is disposed outside the moving up and down region of the piston assembly 29, and thus there is an effect that the overall thickness of the cosmetic container 10 may be further reduced.
  • a disc valve coupling portion 194 is formed to be recessed at the lower end of the center sleeve 193.
  • a protrusion portion 194a and a depression portion 194b are alternately formed at an upper end of the disc valve coupling portion 194.
  • the disc valve 15 may include a fixing portion 151 extending in the horizontal direction and a flap portion 152 extending downward from an outer end portion of the fixing portion 151.
  • the flap portion 152 may extend vertically from the fixing portion 151, and may be formed to be curved toward the center of the disc valve 15 as it goes to the lower side as shown in the drawing.
  • a protrusion portion 153 and a depression portion 154 may be alternately formed on an upper surface of the fixing portion 151, and the protrusion portion 153 may be fitted into the depression portion 194b formed in the disc valve coupling portion 194, and the protrusion portion 194a formed in the disc valve coupling portion 194 may be fitted into the depression portion 154.
  • one or a plurality of fitting protrusions 155 may be formed protruding on an inner circumferential surface of the fixing portion 151, and the one or the plurality of fitting protrusions 155 may be fitted into a fitting groove 196 formed in the first sleeve 193b, so that it is possible to prevent the disc valve 194 from idling in the circumferential direction.
  • the fixing portion 151 may be formed to be relatively harder than the flap portion 152 in order to strengthen the coupling force, and the flap portion 152 may be relatively flexible so as to be easily warped by flow pressure of the cosmetic solution. That is, flexibility of the fixing portion 151 and the flap portion 152 may be molded the same, but the flap portion 152 may be molded more flexibly than the fixing portion 151.
  • FIG. 25 is a perspective view of an inner base constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 26 is an enlarged perspective view of portion A in FIG. 4 .
  • the inner base 14 constituting the cosmetic container 10 may include a bottom portion 141 and a side surface portion 142 extending upward from an edge of the bottom portion 141.
  • a depression portion 144 having a predetermined diameter may be formed in a central portion of the bottom portion 141. Therefore, a locking flange 145 is formed between an edge of the depression portion 144 and the bottom portion 141.
  • the first sleeve 193b of the housing 19 is in contact with the depression portion 144
  • the second sleeve 193c of the housing 19 is in contact with the bottom portion 141 corresponding to the outside of the depression portion 144.
  • a plurality of guide protrusions 143 are formed to protrude along an edge of the depression portion 144 at the bottom portion 141 corresponding to the edge of the depression portion 144. As shown in the drawing, an inner side surface of the guide protrusion 143 is formed to be inclined to prevent the flap portion 152 from being warped outward of the depression portion 144 during assembly of the disc valve 15.
  • the disc valve 15 is first mounted in a state in which the housing 19 is turned over, and then the inner base 14 is covered. Therefore, during covering the inner base 14, an inclined surface of the guide protrusion 143 guides the flap portion 152 such that the flap portion 152 of the disc valve 15 is positioned inside the depression portion 144. And then, an outer circumferential surface of the flap portion 152 is assembled to be in close contact with the locking flange 145. In addition, the flap portion 152 is warped in the center direction of the depression portion 144 by the flow pressure of the cosmetic solution flowing from the outside of the second sleeve 193c toward the first sleeve 193b through the inlet 195.
  • a locking groove 142a is formed on an inner circumferential surface of the side surface portion 142, and a placing flange 142b is formed at an upper end thereof.
  • the placing ribs 192c are placed on the placing flange 142b.
  • the inner base locking rib 192b is inserted into the locking groove 142a.
  • FIG. 27 is a perspective view of a coupling body of an outer base and a push button constituting a cosmetic container according to an embodiment of the present invention
  • FIG. 28 is a plan view of portion B in FIG. 27 .
  • the outer base 11 constituting the cosmetic container 10 may include a bottom portion 111 and a side surface portion 112 extending upward from an outer edge portion of the bottom portion 111.
  • a hinge fastening portion fitting groove 112b is formed to be recessed at a predetermined depth downward at one side of the side surface portion 112, and a hinge hole 121b into which a hinge shaft 12 is fitted is formed at both sides of the hinge fastening portion fitting groove 112b.
  • a mounting portion for mounting the push button 13 is formed at one point of the side surface portion 112 corresponding to a side opposite to the hinge fastening portion fitting groove 112b.
  • the push button 13 may include a pressing portion 131, an arm portion 133 extending from both side ends of the pressing portion 131, and a locking hook 132 protruding from an upper surface of the pressing portion 131.
  • a guide hole 133a may be formed in the arm portion 133.
  • the mounting portion may include a pressing portion accommodating groove 116 in which the pressing portion 131 is accommodated, and an arm accommodating portion 114 extending from both side end portions of the pressing portion accommodating groove 116 in a circumferential direction of the side surface portion 112, a guide protrusion 116 protruding from an inner side surface of the arm accommodating portion 114 and fitted into the guide hole 133a, and an arm support rib 115 for supporting the arm portion 133.
  • the arm support rib 115 is bent and extending in an L-shape from an inner circumferential surface of the side surface portion 112 to support the end portion of the arm portion 133. Therefore, even though pressure is applied to the pressing portion 131, it is possible to prevent the push button 13 from being detached toward the inside of the outer base 11.
  • the guide protrusion 116 is fitted into the guide hole 133a, so that the push button 13 may be prevented from moving in left and right directions.
  • the arm accommodating portion 114 is recessed from the inner circumferential surface of the side surface portion 112 by a depth corresponding to a thickness of the arm 133, and may be formed to be slightly longer than a length of the arm 133. Accordingly, even though the pressing portion 131 is pressed and the arm 133 is unfolded in a rounded state, it is possible to prevent the arm 133 from being damaged by interfering with the arm accommodating portion 114.
  • the fastening protrusion 113 protrudes from the inner circumferential surface of the side surface portion 112, and the fastening protrusion 113 is fitted into the fastening grooves 252a formed on an outer circumferential surface of the lower frame 252.
  • FIG. 29 is a longitudinal sectional view of a cosmetic container 10 in a state before use taken along 29-29 of FIG. 1
  • FIG. 30 is an enlarged view of portion C in FIG. 29 .
  • the outer cover 25 may be closed in a state in which a puff is placed on an upper surface of the palette 23, and the puff may be stored separately.
  • the stem 21 When no pressing force acts on the center of the upper surface of the palette 23, the stem 21 is maintained in a state of being spaced apart from the upper surface of the housing 19 by restoring force of the elastic member 20.
  • a lower end portion of the outer sleeve 216 is maintained in a state of being spaced apart from an upper surface of a guide plate 182 of the piston guide 18. Further, the lower sleeve 181b is maintained in contact with the flange 172. The flap portion 152 of the disc valve 15 is maintained in a state of being in close contact with the locking flange 145 of the inner base 14. Therefore, a cosmetic solution stored in the temporary storage space S2 cannot be discharged to the outside, and is maintained in a closed state.
  • FIG. 31 is a longitudinal sectional view of a cosmetic container in use taken along 29-29 of FIG. 1
  • FIG. 32 is an enlarged view of portion D in FIG. 30 .
  • a user presses the push button 13 to rotate the outer cover 25 in order to use cosmetics stored in a cosmetic container 10.
  • the piston guide 18 does not move until the stem 21 moves down and the lower end portion of the outer sleeve 216 contacts the guide plate 182 of the piston guide 18, and only the piston body 17 moves down integrally with the stem 21.
  • the lower end portion of the outer sleeve 216 is in contact with the guide plate 182, the lower sleeve 181b is separated from the flange 172.
  • the piston guide 18, the piston body 17, and the stem 21 move down integrally. Further, as the stem 21 moves down, the elastic member 20 is compressed. Furthermore, the stem 21 moves down until it is in contact with the upper surface of the housing 19.
  • the cosmetic solution collected in the temporary storage space S2 flows into the inlet 171a of the piston body 17 through a space between the outer sleeve 216 and the flange 172.
  • the cosmetic solution flowed into the inlet 171a is guided to the discharge port 211b through the outlet 171b.
  • the cosmetic solution discharged through the discharge port 211b flows along the guide flow path 211c formed on the upper surface of the stem 21. Furthermore, the cosmetic solution flowing along the guide flow path 211c is discharged to the outside through the outlet 232, and permeated into the inside of the puff pressing the palette 23.
  • the cosmetic solution stored in the temporary storage space S2 is discharged to the outside until pressure P for pressing the palette 23 is removed by a user, and the cosmetic solution stored in the main storage space S1 moves to the temporary storage space S2.
  • the piston body 17 moves up and the flange 172 closely contacts a lower end of the outer sleeve 216 to block the discharge of the cosmetic container. Further, an upper end portion of the piston guide 18 moves up until it reaches an upper end of the piston guide accommodating groove 193d.
  • the disc valve 15 is maintained in an open state until the temporary storage space S2 is filled with the cosmetic solution.
  • the flap portion 152 returns to its original position and is in close contact with the locking flange 145, and as a result, the disc valve 15 is closed.
  • the inner cover 16 also moves down.
  • the disc valve 15 is disposed outside a moving down region of the piston assembly 29, so that the flange 172 of the piston body 17 may be moved down to a very close distance to the bottom portion of the inner base 14, and there is an advantage of reducing a thickness of the cosmetic container by a corresponding distance.
  • FIG. 33 is a bottom perspective view of a housing constituting a cosmetic container according to another embodiment of the present invention.
  • the cosmetic container according to another embodiment of the present invention is the same in construction and operation as the cosmetic container 10 in the previous embodiment, but there is a slight difference in a structure of a housing and a disc valve. Therefore, redundant description of the same configuration and function is omitted.
  • a housing 39 according to another embodiment of the present invention may include a circular-shaped partition plate 391, a support sleeve 392 formed at an outer edge of the partition plate 391, and a center sleeve 393 formed at an inner edge of the partition plate 391.
  • a plurality of air holes 391a may be formed in the partition plate 391.
  • a frame locking rib 392a and an inner base locking rib 392b are formed on an outer circumferential surface of the support sleeve 392, which is the same as the housing 19 according to the previous embodiment.
  • a difference is that a shape of a placing rib 392c formed on the outer circumferential surface of the support sleeve 392 is slightly different. That is, the previous embodiment has a structure in which a pair of placing ribs 192c extend downward in parallel, and conversely, as shown in the drawing, the placing rib 392c according to the present embodiment has a structure including a vertical portion and a horizontal portion formed a lower end of the vertical portion. Furthermore, a plurality of placing ribs 392c are disposed to be spaced apart from each other in the circumferential direction of the support sleeve 392, which is the same as the previous embodiment.
  • center sleeve 393 is composed of a first sleeve 393b inside thereof and a second sleeve 393c outside thereof, and a piston guide accommodating groove 393d is formed inside the first sleeve 393b, and a locking flange 396 and a stem locking rib 397 are formed at an upper end the piston guide accommodating groove 393d, which is the same as the structure of the housing 19 according to the previous embodiment
  • first sleeve 393b and the second sleeve 393c are partitioned by a partition wall 393e, and a disc valve coupling portion 394 is formed on a lower side of the partition wall 393e, and a protrusion portion 394a and a depression portion 394b are formed on a bottom surface of the partition wall 393e defining the disc valve coupling portion 394, which is the same as the previous embodiment.
  • a lower end portion of the first sleeve 393b is formed to be shorter than a lower end portion of the second sleeve 393c, which is contrary to the previous embodiment. This is due to structural features of a disc valve 35 according to another embodiment to be described later.
  • the first sleeve 193b is placed on the depression portion 144 formed at the center of the bottom portion of the inner base 14, and the second sleeve 193c is placed at the bottom portion of the inner base 14 which corresponds to the outside of the edge of the depression portion 144, the first sleeve 193b is formed longer than the second sleeve 193c, but in the present embodiment, an outer diameter of the second sleeve 193c is formed to be smaller than that of the previous embodiment, or a radius of the depression portion 144 is larger than that of the previous embodiment, so that the second sleeve 193c may be placed at an edge portion of the depression portion 144.
  • a plurality of inlets 395 are formed to be recessed upward on a bottom portion of the second sleeve 193c, and the plurality of inlets 395 may be disposed to be spaced apart from each other in the circumferential direction of the second sleeve 193c.
  • a plurality of restricting protrusions 393e protrude from the bottom portion of the first sleeve 393b to limit a warp angle (or moving-up angle) of the flap constituting the disc valve 35.
  • the plurality of restricting protrusions 393e may be disposed in the circumferential direction of the first sleeve 393b in plural. At least, an outer side surface of the restricting protrusions 393e is formed to be inclined at a predetermined angle from a vertical surface so that the flap of the disc valve 35 may be brought into surface contact while being warped.
  • An inner side surface of the restricting protrusion 393e may be formed to be inclined at a predetermined angle, but the present invention is not limited thereto.
  • a fitting groove 193f is formed in the outer circumferential surface of the first sleeve 193b, and when the disc valve 15 is mounted, a fitting protrusion 155 protrudes from an inner circumferential surface of the disc valve 15 corresponding to the fitting groove 193f to prevent the disc valve 15 from idling in the circumferential direction.
  • a flap portion is formed inside the disc valve 35, so that a fitting protrusion 393f protrudes from an inner circumferential surface of the second sleeve 393c, and a fitting groove 351g (see FIG. 34 ) is formed on an outer circumferential surface of the disc valve 35.
  • the fitting groove may be formed on the inner circumferential surface of the second sleeve 393c, and the fitting protrusion may be formed on the outer circumferential surface of the disc valve 35.
  • FIG. 34 is a perspective view of a disc valve according to another embodiment of the present invention
  • FIG. 35 is a cut perspective view taken along line 35-35 of FIG. 34 .
  • a disc valve 35 according to the present embodiment is different from the disc valve 15 according to the previous embodiment in that a flap warped by an operation of a piston assembly 29 is formed inside the disc valve 35.
  • the disc valve 35 includes a fixing portion 351 and a flap portion 352 that extends obliquely from an inner edge of the fixing portion 351.
  • the fixing portion 351 may include a horizontal portion 351b formed in a circular band shape, an outer vertical portion 351a extending downward from a bottom surface of an outer edge of the horizontal portion 351b, and an inner vertical portion 351c extending downward from an inner edge of the horizontal portion 351b, and a plurality of protrusion portions 351e and a depression portions 351f formed on an upper surface of the horizontal portion 351b.
  • the flap portion 352 is molded more flexible than the fixing portion 351 like the previous embodiment.
  • the depression portion 351f is formed by a plurality of the protrusion portions 351e disposed to be spaced apart from each other in the circumferential direction of the horizontal portion 351b.
  • the protrusion portions 351e are formed by disposing the plurality of depression portions 351f to be spaced apart from each other.
  • the outer vertical portion 351a may be defined as a plurality of pillars which are disposed to be spaced apart from each other in the circumferential direction of the horizontal portion 351b, and a space between adjacent outer vertical portions 351a may be defined as an inlet 351d.
  • a width of the inlet 351d may be formed to correspond to a width of an inlet 395 formed at a lower end of the second sleeve 393c.
  • a bent portion 352a bent upward may be formed at an end portion of the flap portion 352.
  • the flap portion 352 may be formed to be inclined at a predetermined angle ⁇ from a vertical line passing through the inner vertical portion 351c. Further, the flap portion 352 extends to be inclined downward from the inner vertical portion 351c.
  • FIG. 36 is a longitudinal sectional view of a cosmetic container according to another embodiment of the present invention showing a state before use
  • FIG. 37 is an enlarged perspective view of portion E in FIG. 36
  • FIG. 38 is an enlarged view of portion F in FIG. 36 .
  • a bottom surface of the first sleeve 393b is not formed with an inlet because a flap portion 352 of the disc valve 35 is in contact therewith. Therefore, an inlet 395 is formed only on a bottom surface of the second sleeve 393c.
  • the second sleeve 393c is placed on a depression portion 144 of the inner base 14, specifically, at an edge portion of the depression portion 144. Further, so as to extend the flap portion 352 of the disc valve 35 to the inside of the temporary storage space S2, the first sleeve 393b is formed to be shorter than the second sleeve 393c.
  • FIG. 39 is a longitudinal sectional view of a cosmetic container according to another embodiment of the present invention showing a use state
  • FIG. 40 is an enlarged sectional view of portion G in FIG. 39 .
  • a cosmetic solution in the temporary storage space S2 flows out while the flap portion 352 is lifted up due to moving down of the piston assembly 29.
  • the cosmetic solution in the main storage space S1 flows into the temporary storage space S2.
  • the flap portion 352 extends to be inclined from a vertical surface, the flap portion 352 is freely warped, and thus the cosmetic solution may be uniformly discharged.
  • the restricting protrusion 393e formed on a bottom surface of a first sleeve 393b of the housing 39 prevents the flap portion 352 from being excessively lifted up, and as a result, the cosmetic solution may be prevented from being excessively discharged.
  • FIG. 41 is an appearance perspective view of a piston body according to another embodiment of the present invention.
  • a structure of a piston body 17 according to the present embodiment is the same as that of the piston body 17 according to the previous embodiment shown in FIGS. 18 to 20 , but there is a difference in that a plurality of through-holes 172a are formed in a flange 172.
  • the through-hole 172a may be formed in a bottom portion of the flange 172. That is, the through-holes 172a may be formed in a portion horizontally extending from a lower end of the piston sleeve 171.
  • the through-holes 172a may be disposed to be spaced apart from each other in the circumferential direction of the flange 172.
  • the through-hole 172a may be formed in the piston body 17 shown in FIGS. 18 to 20 as well.
  • the cosmetic solution stored in the temporary storage space S2 immediately passes through the through-hole 172a, and may be discharged outside the temporary storage space S2.
  • a flow resistance generated when the cosmetic solution is discharged is reduced, and a time taken for the cosmetic to be discharged when the palette 23 is pressed is shortened, that is, the so-called response time is shortened.
  • FIG. 42 is an appearance perspective view of a disc valve according to still another embodiment of the present invention
  • FIG. 43 is a longitudinal sectional view taken along line 43-43 of FIG. 42 .
  • a structure of the disc valve 35 according to the present embodiment is the same as that of the disc valve 35 according to the previous embodiment disclosed in FIGS. 34 and 35 , but there is a difference in a structure of the flap portion 352.
  • a plurality of protrusion portions 351e and depression portions 351f described in the previous embodiment are not shown.
  • the plurality of protrusion portions 351e and the depression portions 351f may be applied to the present embodiment as well.
  • the plurality of protrusion portions 351e and the depression portions 351f may not be formed in the drawings of FIGS. 34 and 35 . That is, it is noted that other configurations of the disc valve 35 except for the flap portion 352 may be designed in the same manner as in the previous embodiment.
  • the flap portion 352 of the disc valve 35 may include a first flap portion 352b and a second flap portion 352c.
  • first flap portion 352b may be understood to correspond to the flap portion 352 disclosed in FIGS. 34 and 35 , and it may be understood that the second flap portion 352c is further extended from the first flap portion 352b.
  • an inclination of the second flap portion 352c may be designed to be different from that of the first flap portion 352b.
  • an inclination angle ⁇ 1 formed by the first flap portion 352b and a horizontal plane passing through an end portion of the first flap portion 352b may be formed to be larger than an inclination angle ⁇ 2 formed by the second flap portion 352c and a horizontal plane passing through an end portion of the second flap portion 352c.
  • the second flap portion 352c extends to be inclined more gently than the first flap portion 352b, so that a contact area between the second flap portion 352c and a bottom surface of the inner base 14 is widened.
  • a disc valve applied to the conventional cosmetic container has a structure that opens and closes a flow path of a cosmetic solution at a point spaced upward from a bottom surface of an inner base.
  • a thickness of a cosmetic container there is a limit in reducing a thickness of the cosmetic container.
  • opening and closing points of the flow path of a cosmetic solution are formed at a bottom portion of an inner base, there is an advantage that a thickness of a cosmetic container may be further reduced.
  • the fixing portion 151 of the disc valve 15 described in FIG. 23 and the fixing portion 151 of the disc valve 35 described in FIGS. 35 and 42 are designed to be placed outside a moving up and down region of the piston assembly 29, so that the thickness of the cosmetic container may be reduced primarily.
  • the flap portions 152 and 352 of the disc valves 15 and 35 are designed to be selectively in contact with the bottom portion of the inner base 14, so that the thickness of the cosmetic container may be further reduced secondarily.
  • a point at which the flap portion 152 of the disc valve 15 described in FIG. 23 contacts is actually a part of the bottom portion of the inner base 14, so that it can be seen that the flap portion 152 is also selectively in contact with the bottom portion of the inner base 14.
  • the second flap portion 352c is further formed, and a pressing area for pushing up the cosmetic solution is increased, and thus there is an advantage that a speed of the cosmetic passing through the outlet 232 of the palette 23 is increased.
  • FIG. 44 is a partial longitudinal sectional view showing a use state of a cosmetic container in which the piston body and the disc valve described in FIGS. 41 to 43 . are mounted.
  • the cosmetic solution stored in the temporary storage space S2 is discharged to the outside of the temporary storage space S2 through the spacing space. Thereafter, a pressure in the main storage space S1 is higher than that of the temporary storage space S2, and thus the bottom surface of the flap portion 352 of the disc valve 35 is lifted up from the bottom surface of the inner base 14.
  • the cosmetic solution pushed into the temporary storage space S2 from the main storage space S1 may largely form two flow paths as indicated by solid arrows.
  • the two flow paths may include a first flow path that directly passes through the through-hole 172a formed in the flange 172 of the piston body 17, and a second flow path that flows upward along the outer edge of the flange 172 to flow into a spacing space formed between the lower sleeve 181b and the lower sleeve contact surface 173.
  • a cosmetic container includes: a base member; a housing including a support sleeve placed on an upper surface of the base member, a center sleeve placed on the upper surface of the base member at an inner center of the support sleeve, a partition plate connecting an upper end of the support sleeve and an upper end of the center sleeve, a main storage space formed between the support sleeve and the center sleeve, and a temporary storage space formed inside the center sleeve; a frame coupled to an upper end of the housing and having a hole of a predetermined size formed therein; a stem coupled to the frame so as to be movable in a vertical direction while being accommodated in the hole and having a discharge port for discharging a cosmetic solution formed in a center thereof; a piston assembly mounted on a bottom surface of the stem and accommodated in the temporary storage space; and a disc valve mounted on a lower end of the center sleeve for selectively
  • the flap portion extends from an outer edge or an inner edge of the fixing portion.
  • the flap portion includes a first flap portion extending from the inner edge of the fixing portion and a second flap portion further extending from an end portion of the flap portion.
  • An inclination angle of the second flap portion with respect to a horizontal plane is smaller than that of the first flap portion with respect to the horizontal plane.
  • the piston assembly includes a piston guide and a piston body that passes through the piston guide, has an upper end portion fixed to the bottom surface of the stem, and moves up and down integrally with the stem, wherein the piston body includes a piston sleeve passing through the piston guide and formed with an inlet and an outlet of the cosmetic solution, and a flange extending in a radial direction of the piston sleeve from a lower end of the piston sleeve. wherein a plurality of through-holes are formed in the flange.
  • the plurality of through-holes are disposed to be spaced apart from each other in the circumferential direction of the flange.
  • a disc valve coupling portion into which the disc valve is fitted is formed to be recessed at a lower end portion of the center sleeve, and a depression portion and a protrusion are alternately formed at the disc valve coupling portion.
  • a protrusion portion fitted into the depression portion of the disc valve coupling portion and a depression portion into which the protrusion portion of the disc valve coupling portion is fitted are formed alternately on an upper surface of the fixed portion.
  • One or a plurality of fitting protrusions protruding from an inner circumferential surface of the fixing portion, and the disc valve coupling portion is formed with a fitting groove into which the one or plurality of fitting protrusions are fitted.
  • a cosmetic container includes: a base member; a housing including a support sleeve placed on an upper surface of the base member, a center sleeve placed on the upper surface of the base member at an inner center of the support sleeve, a partition plate connecting an upper end of the support sleeve and an upper end of the center sleeve, a main storage space formed between the support sleeve and the center sleeve, and a temporary storage space formed inside the center sleeve; a frame coupled to an upper end of the housing and having a hole of a predetermined size formed therein; a stem coupled to the frame so as to be movable in a vertical direction while being accommodated in the hole and having a discharge port for discharging a cosmetic solution formed in a center thereof; a piston assembly mounted on a bottom surface of the stem and accommodated in the temporary storage space; and a disc valve mounted on a lower end of the center sleeve for selectively
  • the flap portion extends from an outer edge or an inner edge of the fixing portion.
  • the flap portion includes a first flap portion extending from the inner edge of the fixing portion and a second flap portion further extending from an end portion of the flap portion.
  • An inclination angle of the second flap portion with respect to a horizontal plane is smaller than that of the first flap portion with respect to the horizontal plane.
  • the piston assembly includes a piston guide and a piston body that passes through the piston guide, has an upper end portion fixed to the bottom surface of the stem, and moves up and down integrally with the stem, wherein the piston body includes a piston sleeve passing through the piston guide and formed with an inlet and an outlet of the cosmetic solution, and a flange extending in a radial direction of the piston sleeve from a lower end of the piston sleeve. wherein a plurality of through-holes are formed in the flange.
  • the plurality of through-holes are disposed to be spaced apart from each other in the circumferential direction of the flange.
  • a disc valve coupling portion into which the disc valve is fitted is formed to be recessed at a lower end portion of the center sleeve, and a depression portion and a protrusion are alternately formed at the disc valve coupling portion.
  • a protrusion portion fitted into the depression portion of the disc valve coupling portion and a depression portion into which the protrusion portion of the disc valve coupling portion is fitted are formed alternately on an upper surface of the fixed portion.
  • One or a plurality of fitting protrusions protruding from an inner circumferential surface of the fixing portion, and the disc valve coupling portion is formed with a fitting groove into which the one or plurality of fitting protrusions are fitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Cosmetics (AREA)
EP18844373.3A 2017-08-11 2018-08-09 Cosmetic container Active EP3636102B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21198073.5A EP3964100B1 (en) 2017-08-11 2018-08-09 Cosmetic container

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20170102537 2017-08-11
PCT/KR2018/009135 WO2019031897A1 (ko) 2017-08-11 2018-08-09 화장품 용기

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP21198073.5A Division EP3964100B1 (en) 2017-08-11 2018-08-09 Cosmetic container
EP21198073.5A Division-Into EP3964100B1 (en) 2017-08-11 2018-08-09 Cosmetic container

Publications (3)

Publication Number Publication Date
EP3636102A1 EP3636102A1 (en) 2020-04-15
EP3636102A4 EP3636102A4 (en) 2021-02-17
EP3636102B1 true EP3636102B1 (en) 2022-10-26

Family

ID=65271137

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18844373.3A Active EP3636102B1 (en) 2017-08-11 2018-08-09 Cosmetic container
EP21198073.5A Active EP3964100B1 (en) 2017-08-11 2018-08-09 Cosmetic container

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21198073.5A Active EP3964100B1 (en) 2017-08-11 2018-08-09 Cosmetic container

Country Status (7)

Country Link
US (2) US11464314B2 (ko)
EP (2) EP3636102B1 (ko)
JP (2) JP7177140B2 (ko)
KR (3) KR102330993B1 (ko)
CN (2) CN114376321B (ko)
TW (2) TWI691289B (ko)
WO (2) WO2019031665A1 (ko)

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Also Published As

Publication number Publication date
KR102330993B1 (ko) 2021-12-01
WO2019031665A1 (ko) 2019-02-14
EP3636102A4 (en) 2021-02-17
TW201919513A (zh) 2019-06-01
CN109661189B (zh) 2022-02-11
EP3964100B1 (en) 2023-05-31
CN114376321B (zh) 2024-10-15
KR102078287B1 (ko) 2020-02-19
TWI722820B (zh) 2021-03-21
EP3636102A1 (en) 2020-04-15
JP7177140B2 (ja) 2022-11-22
JP2023009169A (ja) 2023-01-19
JP7353706B2 (ja) 2023-10-02
JP2020530365A (ja) 2020-10-22
US11464314B2 (en) 2022-10-11
KR20190087993A (ko) 2019-07-25
US20200170375A1 (en) 2020-06-04
CN114376321A (zh) 2022-04-22
EP3964100A1 (en) 2022-03-09
KR20190142439A (ko) 2019-12-26
TW202023437A (zh) 2020-07-01
KR20200030559A (ko) 2020-03-20
US20220386755A1 (en) 2022-12-08
KR102059116B1 (ko) 2019-12-24
WO2019031897A1 (ko) 2019-02-14
CN109661189A (zh) 2019-04-19
TWI691289B (zh) 2020-04-21
US11963599B2 (en) 2024-04-23

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